Display device

Abstract

Provided display device includes at least one magnetic component, first display segment and second display segment connected to each other and foldable towards each other. The magnetic component includes first magnetic module located in non-display region of first display segment and second magnetic module located in non-display region of second display segment. The display device includes first folded state in which contact ends come into contact and second folded state in which the contact ends in contact for period of time. The attractive force A of the first magnetic module to the second magnetic module in the first folded state is smaller than the attractive force B thereof in the second folded state. The preceding solution can prevent the user's hands from being gripped when the user folds the display device and can ensure that the display device maintains stable folded state.

What is claimed is: 
     
       1. A display device, comprising a first display segment and a second display segment connected to each other and foldable towards each other, wherein the display device further comprises at least one magnetic component;
 the magnetic component comprises a first magnetic module located in a non-display region of the first display segment and a second magnetic module located in a non-display region of the second display segment; 
 the display device comprises a first folded state and a second folded state, two opposite ends each of which respectively belongs to the first display segment and the second display segment and faces away from a folding axis are contact ends, the first folded state is a state in which the contact ends come into contact with each other, and the second folded state is a state in which the contact ends have been in contact for a period of time; and 
 in the first folded state, an attractive force of the first magnetic module to the second magnetic module is A; and in the second folded state, the attractive force of the first magnetic module to the second magnetic module is B, and A<B; 
 wherein the display device performs a magnetic attraction movement from the first folded state to the second folded state, the first magnetic module comprises a first magnetic body and a first resisting force generation unit the second magnetic module comprises at least a second magnetic body; during the magnetic attraction movement, the second magnetic body provides a first attractive force to the first magnetic body, the first magnetic body provides a second attractive force to the second magnetic body, and the first resisting force generation unit is configured to provide the first magnetic body with a first resisting force opposite to a direction of the first attractive force; and 
 the first attractive force is larger than the first resisting force. 
 
     
     
       2. The display device of  claim 1 , wherein
 during the magnetic attraction movement, the attractive force of the first magnetic module to the second magnetic module increases progressively. 
 
     
     
       3. The display device of  claim 1 , wherein at least a portion of the first magnetic module is movable towards the second magnetic module during the magnetic attraction movement. 
     
     
       4. The display device of  claim 1 , wherein the first magnetic body comprises a first magnet, and the first resisting force generation unit comprises a first spring;
 the first magnetic module further comprises a first housing; the first magnet and the first spring are both located in the first housing; a first end of the first spring is secured to the first housing, and a second end of the first spring is secured to the first magnet; and in the first folded state, the first spring is located on a side of the first magnet facing away from the second magnetic body; and 
 during the magnetic attraction movement, the first magnet moves towards the second magnetic body under an action of the first attractive force, and the first spring is stretched and provides the first resisting force. 
 
     
     
       5. The display device of  claim 4 , wherein the first spring has elasticity in a first direction, and the first direction is perpendicular or parallel to a plane in which the first display segment is located; and
 during the magnetic attraction movement, the first magnet moves in the first direction until an attractive force between the first magnet and the second magnetic body reaches a maximum value. 
 
     
     
       6. The display device of  claim 4 , wherein the first spring is a non-linear spring. 
     
     
       7. The display device of  claim 4 , wherein a second resisting force generation unit is disposed in the first housing;
 during the magnetic attraction movement, the second resisting force generation unit is configured to provide the first magnet with a second resisting force opposite to the direction of the first attractive force; and 
 a sum of the first resisting force and the second resisting force is smaller than the first attractive force. 
 
     
     
       8. The display device of  claim 7 , wherein the second resisting force generation unit comprises a non-Newtonian fluid, and fluidity of the non-Newtonian fluid decreases as an impact force of the first magnet on the non-Newtonian fluid increases. 
     
     
       9. The display device of  claim 1 , wherein the first magnetic body comprises a magnetic fluid, and the first resisting force generation unit comprises a second magnet;
 the first magnetic module further comprises a second housing, at least the magnetic fluid is located in the second housing, and the second magnet is secured to the second housing; 
 in the first folded state, the second magnet is located on a side of the magnetic fluid facing away from the second magnetic body, a magnetic field direction generated by the second magnet and a magnetic field direction generated by the second magnetic body are the same, and a magnetic field intensity of the second magnet is smaller than a magnetic field intensity of the second magnetic body; and 
 during the magnetic attraction movement, the magnetic fluid flows towards the second magnetic body under an action of the first attractive force. 
 
     
     
       10. The display device of  claim 9 , wherein at least one baffle is disposed in the second housing, at least one via hole is disposed in the baffle, and a plane in which the baffle is located intersects a flow direction of the magnetic fluid, or a section shape of the second housing along a direction perpendicular to a plane in which the first display segment is located is an hourglass shape. 
     
     
       11. The display device of  claim 10 , wherein a magnetically conductive structure is disposed in the second housing, and the magnetically conductive structure is configured to conduct a magnetic field generated by the second magnet and a magnetic field generated by the second magnetic body. 
     
     
       12. The display device of  claim 11 , wherein the baffle comprises a via hole, and the magnetically conductive structure passes through the via hole and a clearance is provided between the magnetically conductive structure and the baffle,
 the baffle comprises a plurality of via holes, and the magnetically conductive structure passes through one of the plurality of via holes and no clearance is provided between the magnetically conductive structure and the baffle, or 
 wherein a clearance is provided between a portion with a smallest inner diameter in the hourglass-shaped second housing and the magnetically conductive structure. 
 
     
     
       13. The display device of  claim 11 , wherein the magnetically conductive structure extends in a first direction, and the first direction is perpendicular or parallel to the plane in which the first display segment is located; and
 during the magnetic attraction movement, the magnet fluid flows along the magnetically conductive structure until an attractive force between the magnetic fluid and the second magnetic body reaches a maximum value. 
 
     
     
       14. The display device of  claim 11 , wherein the magnetically conductive structure comprises a first segment extending in a first direction and a second segment extending in a second direction, the first direction is perpendicular to the plane in which the first display segment is located, and the second direction is parallel to the plane in which the first display segment is located, and
 during the magnetic attraction movement, the magnet fluid flows along the magnetically conductive structure until an attractive force between the magnetic fluid and the second magnetic body reaches a maximum value. 
 
     
     
       15. The display device of  claim 1 , wherein the display device further comprises a cover plate located on a display side of the second display segment, and the second magnetic body is secured to a non-display side of the cover plate. 
     
     
       16. The display device of  claim 1 , wherein the second magnetic module further comprises a third resisting force generation unit;
 during the magnetic attraction movement, the third resisting force generation unit is configured to provide the second magnetic body with a third resisting force opposite to a direction of the second attractive force; and 
 the second attractive force is larger than the third resisting force. 
 
     
     
       17. The display device of  claim 16 , wherein the third resisting force generation unit comprises a second spring;
 the second magnetic module further comprises a third housing, the second magnetic body and the second spring are both located in the third housing, a first end of the second spring is secured to the third housing, a second end of the second spring is secured to the second magnetic body, and in the first folded state, the second spring is located on a side of the second magnetic body facing away from the first magnetic body; and 
 during the magnetic attraction movement, the second magnetic body moves towards the first magnetic body under an action of the second attractive force, and the second spring is stretched and provides the third resisting force. 
 
     
     
       18. The display device of  claim 1 , wherein the second magnetic body comprises a third magnet. 
     
     
       19. The display device of  claim 1 , wherein the display device further comprises a flexible display panel, and in an unfolded state, the first magnetic module and the second magnetic module are respectively located on two opposite sides of the flexible display panel facing away from the folding axis.